EOS R7vs A7S
GearScore™ Verdict — Which should you buy?
Wildlife, Sports & Action — EOS R7 (2022): The EOS R7 is one of the most complete APS-C cameras ever made. It combines a class-leading resolution sensor with best-in-class IBIS, 4K/60p video, weather sealing and 15fps burst. For wildlife, sports and action photographers on an APS-C budget, nothing else comes close.
Astrophotography & Low-Light — A7S (2014): The original A7S pioneered the concept of a camera optimised entirely for low light. Its 12.2MP sensor has enormous photosites — extraordinary high-ISO performance that still holds up. Lacking IBIS and limited to 1080p internally (4K requires external recorder), it is a specialist tool. For astrophotography, event videography, or any scenario where light is genuinely scarce, it remains outstanding.
Who should buy what
EOS R7 (2022)
- Wildlife photographers who need reach, weather sealing and fast burst
- Sports shooters upgrading from entry-level APS-C bodies
- Video creators who need uncropped 4K/60p without a full-frame budget
- Canon DSLR users looking to move to RF mount
A7S (2014)
- Astrophotographers
- Low-light event videographers
- Filmmakers needing clean high-ISO footage
Quick take: The eos r7 has the highest resolution at 32mp; the a7s is the most affordable. Scroll down for the full spec breakdown.
Full specifications
| Specification | EOS R7 (2022) | A7S (2014) |
|---|---|---|
| Price | £1,399 | £600 |
| Sensor | 32.5MP APS-C CMOS | 12.2MP Full-Frame BSI CMOS |
| Resolution | 32.5MP | 12.2MP |
| Video | 4K/60p (uncropped), 4K/30p (oversampled from 7K), 1080p/120p | 1080p/60p internal, 4K via HDMI (external recorder) |
| Autofocus | Dual Pixel CMOS AF II, 651 AF zones, subject recognition (people, animals, vehicles) | Phase-detect / contrast-detect hybrid AF |
| Stabilisation | 7-stop IBIS (8 stops with compatible IS lenses) | None |
| Burst Rate | 15fps mechanical, 30fps electronic (with blackout) | 5fps |
| Battery Life | ~770 shots (CIPA) | ~370 shots (CIPA) |
| Weight | 612g (body, battery, card) | 474g (with battery and card) |
| Dimensions | 132.0 × 90.4 × 91.7mm | 126.9 × 94.4 × 48.2mm |
| Weather Sealed | Yes | Yes |
| Viewfinder | EVF, 2.36M dots, 0.72× magnification | Electronic, 2.36M dots, 0.71× magnification |
| Screen | 3.0" vari-angle touchscreen, 1.62M dots | 3.0" tilting LCD, 1.23M dots |
| Mount | Canon RF-mount | Sony FE (full-frame E-mount) |
| Memory Cards | Dual SD UHS-II | Single SD / MemoryStick PRO Duo slot |
| Connectivity | USB-C (USB 3.2 Gen 2), Wi-Fi, Bluetooth | Multi/Micro USB, Wi-Fi, NFC |
Suitability by genre
| Genre | EOS R7 | A7S |
|---|---|---|
| Wildlife | — | |
| Video | — | |
| Portrait | ||
| Street | ||
| Travel | ||
| Astrophotography | — | |
| Vlogging & Video | — | |
| Landscape | — | |
| Sports & Action | — |
GearScore™ suitability scores are based on aggregated purchaser reviews weighted by photography genre. See how scores are calculated →
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Camera family history